List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-description&page=1400
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59512,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-description&page=1401",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-description&page=1399",
    "results": [
        {
            "id": 107240,
            "name": "Gogogogogo",
            "director": {
                "id": 1153935,
                "username": "小哥大六",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/5bd455843b1989cd512f941edc21ba73-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1273.82295552216,
                        "deviation": 66.1037649149063,
                        "volatility": 0.060184994598808536
                    }
                },
                "ranking": 20.51968765840973,
                "professional": false,
                "ui_class": ""
            },
            "description": "Gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 360,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-20T08:31:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-09-20T08:31:58.240256Z",
            "ended": "2023-10-03T23:23:17.131117Z",
            "start_waiting": "2023-09-20T08:31:58.174894Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 71510,
            "name": "13 x 13",
            "director": {
                "id": 826246,
                "username": "j.z",
                "country": "nz",
                "icon": "https://secure.gravatar.com/avatar/fe4e93f99328e8a7e73f46a295d77421?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1173.1816185486614,
                        "deviation": 65.04246047119402,
                        "volatility": 0.06000874762823385
                    }
                },
                "ranking": 18.614368812763075,
                "professional": false,
                "ui_class": ""
            },
            "description": "go go go",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7521,
                "name": "Joyoushq",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 13,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-02-17T22:56:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-17T22:56:12.695204Z",
            "ended": "2021-06-03T19:47:47.611713Z",
            "start_waiting": "2021-02-17T22:56:11.516531Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 27925,
            "name": "go go go19x19 blitz tournament",
            "director": {
                "id": 443824,
                "username": "hengsh",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/7f4ad4f86f2090e1190b4eecb3e7295e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1444.006361576871,
                        "deviation": 66.94295557869181,
                        "volatility": 0.05996442407941571
                    }
                },
                "ranking": 23.422671403994965,
                "professional": false,
                "ui_class": ""
            },
            "description": "go go go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "period_time": 30,
                "main_time": 900,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1593,
                "name": "Googo",
                "summary": "The perfect group for beginners",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/7f4ad4f86f2090e1190b4eecb3e7295e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-06-13T06:30:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-06-13T12:56:26.498347Z",
            "ended": "2017-06-13T13:13:56.851612Z",
            "start_waiting": "2017-06-13T12:56:26.128388Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7f4ad4f86f2090e1190b4eecb3e7295e-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 65550,
            "name": "Discussion group 5",
            "director": {
                "id": 846437,
                "username": "jumoyang",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/92f1aec442d9e734029234d0b12f1ba9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6853,
                "name": "G101 Recitation MFA",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-16T23:47:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 115178,
            "name": "gogogo",
            "director": {
                "id": 1548989,
                "username": "deleted-e896bd40-c6d7-4837-a20e-d24042dc3694",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/121ffb4170ef13cb3f381b84acdc84f5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1577.3023482002736,
                        "deviation": 179.93762959852722,
                        "volatility": 0.0600043761080307
                    }
                },
                "ranking": 25.466690636338747,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17825,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-20T11:00:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-20T11:00:23.560872Z",
            "ended": "2024-04-20T11:00:23.544867Z",
            "start_waiting": "2024-04-20T11:00:23.139523Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 75389,
            "name": "Enoch GO 2",
            "director": {
                "id": 469382,
                "username": "Osborn",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/050d1ab716f4eb6b9de2d8544d626c8e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1283.4299788124238,
                        "deviation": 64.86754710686463,
                        "volatility": 0.06006122613141645
                    }
                },
                "ranking": 20.693627148301204,
                "professional": false,
                "ui_class": ""
            },
            "description": "gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8577,
                "name": "Enoch Go",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-22T00:50:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-22T00:50:14.620232Z",
            "ended": "2021-08-23T11:38:03.000817Z",
            "start_waiting": "2021-05-22T00:50:14.544970Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 120437,
            "name": "gogogo",
            "director": {
                "id": 1633440,
                "username": "ddoeege2no",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/442e67d98b2d152cd7a4424ec5db95cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2374.4831657457494,
                        "deviation": 78.95757463502437,
                        "volatility": 0.060008265382146805
                    }
                },
                "ranking": 34.93651728514081,
                "professional": false,
                "ui_class": ""
            },
            "description": "gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 60,
                "name": "Swiss Group",
                "summary": "All swiss players please meet here!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 124,
                "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-09-22T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-15T11:37:39.585284Z",
            "ended": "2025-01-15T11:53:17.608509Z",
            "start_waiting": "2025-01-15T11:37:39.512994Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 61282,
            "name": "gogogo",
            "director": {
                "id": 787573,
                "username": "deleted-26e6f1ed-8545-46ae-af1c-c0c0416889b5",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/04683a00dd4d2ba79b5d1826ff62ee64?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 725.3586878393482,
                        "deviation": 71.21235288110906,
                        "volatility": 0.06000421172117128
                    }
                },
                "ranking": 7.483654472383618,
                "professional": false,
                "ui_class": ""
            },
            "description": "gogogo",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5844,
                "name": "The Underground",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-01T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-06-01T19:00:44.922740Z",
            "ended": "2020-07-18T09:22:02.643732Z",
            "start_waiting": "2020-06-01T19:00:44.721087Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 47676,
            "name": "GOGO CAT 第一屆 9x9 盃瑞士賽",
            "director": {
                "id": 622693,
                "username": "yengung",
                "country": "_United_Nations",
                "icon": "https://secure.gravatar.com/avatar/69d82baae0c91b995e387f0e1714ebed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1476.7851474800148,
                        "deviation": 72.14398471605101,
                        "volatility": 0.06003627446455435
                    }
                },
                "ranking": 23.942298190695762,
                "professional": false,
                "ui_class": ""
            },
            "description": "GOGO CAT 第一屆 9x9 盃圍棋賽",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3473,
                "name": "Gogo Cat",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2019-04-21T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-04-21T15:55:14.512055Z",
            "ended": "2019-05-03T11:02:13.020427Z",
            "start_waiting": "2019-04-21T15:55:14.356265Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 19696,
            "name": "Warm Up No 3",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 793.1470805826979,
                        "deviation": 67.51239480628684,
                        "volatility": 0.059279135382473216
                    }
                },
                "ranking": 9.55193111807698,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Go & go!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 85,
                "name": "Isle of Skye",
                "summary": "If you've ever played, or are not 100% ruling out ever playing, in the tournament held every second year in the Isle of Skye, Scotland, then you qualfy for this group.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 29,
                "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-10-01T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-09-03T01:51:15.735506Z",
            "ended": "2017-06-07T18:58:59.873380Z",
            "start_waiting": "2016-09-03T01:51:11.256684Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}